I've been wanting to make my own laundry soap ever since I saw the directions for it! I finally got all my ingredients together! So, today's the day!!! I'm so excited!

Here's the recipe:
1 bar soap (I used Fels-Naptha) $1 per bar online
4 cups hot tap water
1 cup washing soda (not to be confused with baking soda!) $3.99 online
1/2 cup borax (found on just about any laundry aisle) $3.99 Wal-mart
Grate the bar of soap and add to saucepan with 4 cups hot tap water. Stir continually over medium-low heat until it dissolves and is melted.
Fill a 5 gallon bucket half full of hot tap water. Add melted soap, washing soda, and Borax. Stir well until all powder is dissolved.
Fill bucket to top with more hot water. Stir, cover and let sit overnight to thicken. This will make a gelled substance.
Stir and fill a used, clean, laundry soap dispenser half full with soap and then fill rest of way with water. Shake before each use. (it will gel, like egg drop soup consistency) This is a low-sudsing soap. If you do not see suds, that is ok. It is not the suds that clean, but the ingredients in the soap. You can also add 1/2 - 1 oz. of an essential/fragrance oil such as citrus, lavender etc.
Makes 10 gallons! (I've been saving my detergent containers for a while now!)
Top load machine: 5/8 cup per load (approx. 180 loads) $.01 per load!
Front load machine: 1/2 cup per load
UPDATE: I LOVE my new soap so far! I don't think I'll EVER buy commercial laundry soap again!